learnlib.de - dns.ninja
learnlib.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1783077798 | ||||||
Same first word
Similar names
DNS History
10 records (8 active, 2 former)
●NSns.second-ns.com2015-06-30 → 2026-07-03 · 2 obs
● 2026-07-03 11:44:44
●NSns1.your-server.de2015-06-30 → 2026-07-03 · 2 obs
● 2026-07-03 11:44:44
●NSns3.second-ns.de2015-06-30 → 2026-07-03 · 2 obs
● 2026-07-03 11:44:44
○MXmail.learnlib.de2015-06-30 → 2017-01-08 · 4 obs
● 2017-01-08 13:26:30
○ 2026-03-06 10:40:50
○ 2026-07-03 11:44:44
●MXwww155.your-server.de2026-03-06 → 2026-07-03 · 3 obs
● 2026-03-06 10:40:50
● 2026-07-03 11:44:44
●A185.199.108.1532026-03-06 → 2026-07-03 · 3 obs
● 2026-03-06 10:40:50
● 2026-07-03 11:44:44
●A185.199.109.1532026-03-06 → 2026-07-03 · 3 obs
● 2026-03-06 10:40:50
● 2026-07-03 11:44:44
●A185.199.110.1532026-03-06 → 2026-07-03 · 3 obs
● 2026-03-06 10:40:50
● 2026-07-03 11:44:44
●A185.199.111.1532026-03-06 → 2026-07-03 · 3 obs
● 2026-03-06 10:40:50
● 2026-07-03 11:44:44
○A213.133.104.1552015-06-30 → 2017-01-08 · 4 obs
● 2017-01-08 13:26:30
○ 2026-03-06 10:40:50
○ 2026-07-03 11:44:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| learnlib.de | ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de | 4 records |
✅ Authoritative Response
Server:213.239.204.242
NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learnlib.de (unsigned zone)
⏱️ Timing
Total: 850ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.109.153, 185.199.110.153... |
| NS | 3 | ns3.second-ns.de, ns.second-ns.com... |
| MX | 1 | www155.your-server.de (pri: 10) |
| TXT | 1 | google-site-verification=_DbKKVs1f6JOMZk |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)
Analysis
IP Addresses
learnlib.de has four IP addresses: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.
tejaswiniteju394.github.io, otech.nl, www.parris.github.io and two other host names share IP numbers with learnlib.de.
Name Servers
The authoritative name servers for learnlib.de are ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de — three in total.
learnlib.de partially shares its NS delegation with several other domains, including ulrich-schaefer.de, pbversand.de, kreismuseum-ploen.de and two others.
ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de all resolve to exactly two IP numbers apiece: ns.second-ns.com → 213.239.204.242 and 2a01:4f8:0:a101::b:1; ns3.second-ns.de → 193.47.99.4 and 2001:67c:192c::add:b3; ns1.your-server.de → 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.
Mail Servers
Mail for learnlib.de is handled by a single mail server, www155.your-server.de.
learnlib.de uses an identical mail server configuration to several other domains — among them scce.info, studio112.de, stoecker.org and two more.
The host www155.your-server.de resolves to 213.133.104.155 and 2a01:4f8:d0a:2114::2 — two IP addresses.